OpenAI cuts GPT-5.6 Luna price 80% and Terra 20%, Fast mode replaces Priority
PricingVerifiedAdded Sep 22, 2026
From July 30, GPT-5.6 Luna costs 80% less and Terra 20% less. Fast mode replaces Priority Processing, giving GPT-5.6 Sol up to 2.5x speed at twice the price, and priority requests map to it automatically.
Topics: LLMs, Pricing, Developer tools, Performance
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More OpenAI API releases
Every OpenAI API release| Date | Release | Type |
|---|---|---|
| Jul 29 | OpenAI releases an official Terraform provider Update | Update |
| Jul 28 | OpenAI releases GPT Transcribe and GPT Live Transcribe Update | Update |
| Aug 4 | OpenAI Usage and Costs dashboards filter and group by API key Update | Update |
| Aug 5 | OpenAI Fast mode supports long-context requests for GPT-5.6 models Update | Update |
| Aug 6 | OpenAI updates chat-latest to the newest ChatGPT model Update | Update |
| Aug 7 | OpenAI Daybreak adds Blue and Red access tiers for defenders Update | Update |
| Jul 22 | OpenAI API adds hard spend limits for organizations and projects Pricing | Pricing |
| Aug 13 | OpenAI announces Ultrafast mode for GPT-5.6 Sol in limited preview Preview | Preview |
